//package enumerations;// enumerations/OddScoping.java
//// (c)2021 MindView LLC: see Copyright.txt
//// We make no guarantees that this code is fit for any purpose.
//// Visit http://OnJava8.com for more book information.
//// {NewFeature} Since JDK 16
//
//public class OddScoping {
//  static void f(Object o) {
//    if(!(o instanceof String s)) {
//      System.out.println("Not a String");
//      throw new RuntimeException();
//    }
//    // s is in scope here!
//    System.out.println(s.toUpperCase());  // [1]
//  }
//  public static void main(String[] args) {
//    f("Curiouser and Curiouser");
//    f(null);
//  }
//}
///* Output:
//CURIOUSER AND CURIOUSER
//Not a String
//Exception in thread "main" java.lang.RuntimeException
//        at OddScoping.f(OddScoping.java:8)
//        at OddScoping.main(OddScoping.java:15)
//*/
